Search
Search Results
-
Synthesis of new amino phosphonates based on secondary amines using microwave activation and phthalocyanine catalysis
The condensation of diethyl phosphite with aldehydes and cyclic ketones under conditions of thermal catalysis and microwave radiation (MW) afforded...
-
Palladium N-Heterocyclic Carbene Pre-catalysts Bearing Different Ancillary Ligands for the Buchwald–Hartwig Amination of Cyclic Secondary Amines with Aryl Chlorides
AbstractSix novel palladium N -heterocyclic carbene complexes bearing different ancillary ligands such as pyridine, 1-methylimidazole,...
-
Solvent effect, quantification and correlation analysis of the nucleophilicities of cyclic secondary amines
Kinetics of the S N Ar reactions of four 7-L-4-nitrobenzofurazans 1a-d (L = Cl, OC 6 H 5 , OCH 3 , Im + , Cl − ) with three cyclic secondary amines 2a-c in...
-
C(sp3)–C(sp3) bond formation through nitrogen deletion of secondary amines using O-diphenylphosphinylhydroxylamine
The nitrogen deletion of secondary amines has emerged as an effective strategy for direct molecular skeletal editing and carbon–carbon bond...
-
Thermodynamics of complex formation of silver(I) with substituted pyridines and cyclic amines in non-aqueous solvents
The understanding of the thermodynamic stability and speciation of metal complexes in solution requires access to their enthalpy and entropy of...
-
Comparison of kinetic and thermodynamic parameters of reaction of individual conformers of α-substituted β-ethoxyvinyl trifluoromethyl ketones with secondary amines
The kinetic and thermodynamic parameters of the reaction of three most possible conformers (viz . E-s-E-s-E- trans, E-s-Z-s-E- trans, and E-s-Z-s-E- gosh)...
-
Reactions of N-Benzyl- and N-(2-Phenylethyl)maleimides with Secondary Amines
AbstractIt was found that the reactions of N -benzylmaleimide with secondary amines proceed at the double C=C bond and lead to the formation of 3- N , N -R...
-
α-Silyl amines as electron donors: application in synthetic organic chemistry
α-Silyl amines are unique organosilicon compounds containing a geminal NCH 2 Si fragment. The introduction of a triorganylsilyl group at α-position to...
-
Strategies Toward the Catalyst-Free α-C–H Functionalizations of Tertiary Amines
α-C–H functionalization of tertiary amines has been a highly studied field for the past two decades because several important nitrogen containing...
-
Copper(II) complex of N,N´-bis-(benzimidazol-2-yl-methyl)-hexane-1,6-dicarboxamide ligand: synthesis, structure and catalytic oxidation of amines in ionic liquid
A new copper(II) complex, [Cu(L)NO 3 ]NO 3 ·2H 2 O, has been synthesized with N , N' - bis -(benzimidazol-2-yl-methyl)-hexane-1,6-dicarboxamide as a ligand,...
-
Divergent synthesis of aryl amines and dihydroquinazolinones via electrochemistry-enabled rhodium-catalyzed C–H functionalization
Electrochemistry-enabled rhodium-catalyzed C–H amination and amination cyclization of arene assisted by a weakly coordinating amide have been...
-
Properties of poly(methacrylate)s bearing hydroxyurethane structures synthesized by various amines with poly(methacrylate)s containing five-membered cyclic carbonates obtained from poly(glycidyl methacrylate) and carbon dioxide
We evaluated properties such as thermal stability and solubility of poly(methacrylate)s bearing hydroxyurethane structures synthesized by various...
-
Secondary Metabolites from Extremophiles
The microorganism that adapts and grows to extreme/harsh environments is known as extremophiles. The diversity of extremophiles is classified with... -
Synthesis of 1-[(1,1′-biphenyl)-4-yl]naphthalene from amines obtained by the Stevens rearrangement of N-[3-(naphthalen-1-yl)prop-2-yn-1-yl]-3-phenylprop-2-en-1-aminium bromides
A convenient procedure to access 1-[(1,1′-biphenyl)-4-yl]naphthalene by the Stevens rearrangement of the aminium salts bearing simultaneously...
-
Effect of Copper on the Oxidation Mechanisms of Tertiary and Secondary Amines of Methyl-naphthyl- cyclen-Modified Gold Electrodes
Tetraazamacrocycle such as 1,4,7,10-tetraazacyclododecane “cyclen” are known for efficient complexation of metallic ions and were used as an ionic...
-
Combined radical and ionic approach for the enantioselective synthesis of β-functionalized amines from alcohols
Chiral amines are among the most important organic compounds and have widespread applications. Enantioselective construction of chiral amines is a...
-
Modern Approaches to Synthetic Design of Chiral α-Tertiary Amines Based on Trifluoromethylcontaining Ketimines: A Review
Enantioselective construction methods of chiral derivatives of α-tertiary amines using acyclic and cyclic trifluoromethylketimines are considered....
-
Red light-induced conjugation of amines through amide bond formation triggered via photooxidation of 3-acylindolizines
The development of a conjugation method initiated by irradiation of long-wavelength light (>500 nm) to prepare densely functionalized molecules while...
-
A review towards synthesis of heterocycles using propargyl alcohols and propargyl amines
In the area of drug discovery, nitrogen/oxygen-based heterocycles have been utilized as key intermediates and have great attention in organic...
-
Photocatalytic divergent decarboxylative amination: a metal-free access to aliphatic amines and hydrazines
Nitrogen-containing motifs are widely present in natural products, bioactive molecules, and drugs. Accordingly, effective synthetic methods with high...